Bridge conditions in Tangipahoa Parish, Louisiana 477 inventoried bridges · 59 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions 2025 National Bridge Inventory, FHWA Compiled August 20, 2026
Tangipahoa Parish has 59 bridges rated poor out of 477 inventoried, a 12.4% share that puts it well above the national rate of about 7%.
59 of the 477 bridges in Tangipahoa Parish, Louisiana, are rated in poor condition (12.4%) in the 2025 National Bridge Inventory, as of August 20, 2026 .190 bridges (39.8%) are rated good and 228 (47.8%) fair.
The median Tangipahoa Parish bridge was built in 1975 .
The busiest poor-rated bridge is US0051 over Yellow Water River (built 1953), carrying about 16,234 vehicles a day.
Good 39.8% · Fair 47.8% · Poor 12.4% of 477 bridges
Bridges rated poor Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
Bridge Built Vehicles/day Condition US0051 over Yellow Water River 1953 16,234 Poor LA3158 over Drain 1975 11,309 Poor LA1040 over Yellow Water River 1958 7,190 Poor LA0443 over Skulls Creek 1954 6,478 Poor LA0022 over Tangipahoa River 1939 6,435 Poor Phoenix square over Creek 1975 5,021 Poor LA0040 over Scott Creek 1970 4,748 Poor Old US 51 over Pass Manchac 1957 4,107 Poor Old US 51 over North Pass 1960 4,107 Poor LA0040 over Bull Branch 1957 2,778 Poor Bennett Rd over Creek 1975 2,750 Poor Walnut St over Creek 1979 2,595 Poor MLK Jr. Dr. over Ponchatoula Creek 1982 2,010 Poor Chappepeela Rd over Brushy Branch 1974 1,520 Poor Brown Rd over Creek 1976 1,473 Poor W. Yellow water Rd over Creek 1978 1,220 Poor LA1054 over Tyner Creek 1967 1,063 Poor Nuccio Rd over Yellow Water River 1975 1,035 Poor LA0040 over Natalbany River 1971 913 Poor Old Genessee Rd over Creek 1960 745 Poor Harvey Lavigne over Creek 1970 681 Poor Sibley Rd over Creek 1974 611 Poor Easley Rd over Sweetwater CR. 1975 554 Poor Rosaryville Rd over Creek 1975 512 Poor Old Genessee Rd over Creek 1960 406 Poor Narretto Road over Brushy Branch 1975 359 Poor N. Brickyard Rd over Creek 1975 325 Poor Berry Bowl Rd over Creek 1975 310 Poor Cambell Rd over Creek 1975 269 Poor Sibley Road over Branch 1960 204 Poor Illinois Jones Rd over Still Branch 1975 200 Poor N. River Rd over Irving Branch 1975 141 Poor Byers Rd over Bedico Creek 1993 128 Poor Stateline Rd over Drain 1984 128 Poor V. Lambert Rd over Creek 1975 97 Poor M. Williams Rd over Spring Creek 1960 93 Poor W. Chestnut St over Creek Bridge 1979 81 Poor Kentwood Firestati over Canal 1995 70 Poor Singing Waterfall over Chappepeela Creek 1960 64 Poor N. Jackson Rd over Evans Br. 1975 57 Poor E. Lewiston Rd over Wilson Branch 1970 55 Poor Stateline Rd over Creek 1986 40 Poor Stateline Rd over Creek 1960 40 Poor Anderson Rd over Hyde Br. 1960 25 Poor Coleman Rd over Pole Bridge Br. 1960 22 Poor Beach Rd over Creek 1960 16 Poor Beach Road over Creek 1960 14 Poor Larock Road over Natalbany Creek 1950 14 Poor Lanier Ln over Creek 1970 12 Poor Shingle Mill Rd over Anderson Canal 1975 10 Poor Palmer Ln over Creek 1980 8 Poor Harvey Lavigne over Bedico Creek 1975 8 Poor Travis Ln over Big Creek 1960 8 Poor Fannie Powell Rd over Creek 1970 8 Poor Walsh Rd over Yellow Water River 1960 4 Poor Stein Rd over Yellow Water River 1960 4 Poor Hinson Rd over Canal 1975 4 Poor Raborn Rd over Ashleys Br. 1960 4 Poor Brock Rd over Little Silver Creek 1960 4 Poor
Busiest bridges in the county Bridge Built Vehicles/day Condition I0012 over Yellow Water River Rel. 1970 58,377 Good I0012 over I-55 1970 58,377 Fair I0012 over Drainage 1970 58,377 Fair I0012 over US 51 Bus 1975 58,377 Fair I0012 over Icg Railroad 1975 58,377 Fair I0012 over Ponchatoula Creek 1975 58,377 Fair I0012 over LA 3158 (Airport Rd) 1975 58,377 Fair I0012 over Selsers Creek 1975 53,386 Fair I0012 over Tangipahoa Relief 1975 53,386 Good I0012 over Tangipahoa River Relief 1975 53,386 Fair
Source: FHWA National Bridge Inventory , 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Tangipahoa Parish →
All of Louisiana: Louisiana bridge conditions by county · every download on the data page .
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected .